Download or read book Blue Planet - Earth (ENHANCED eBook) written by Gina Hamilton and published by Lorenz Educational Press. This book was released on 2007-09-01 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: Milliken’s Blue Planet series covers Earth Science for grades 9 to 12 in five concise yet thorough volumes: Earth, Water, Atmosphere, Space, and Energy. Each book includes 12 full–color transparencies (print books) or PowerPoint slides (eBooks) to enhance classroom demonstrations, plus 60 reproducible pages. Earth focuses on the Earth-centered part of the Earth system. It covers important aspects of the system, including Earth's composition, rocks and minerals, layers of the planet, plate tectonics, tectonic expressions, and geochemical changes on Earth. Gravitation and magnetism are covered. Also included in this book are changes over time on planet Earth, including the geological ages.